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Novosadov [1.4K]
3 years ago
8

Ursula scored 8 points in the second half of her basketball game. In total, she scored 32 points during the entire game. Click o

n the equation that can be used to determine how many points, p, Ursula scored in the first half of the game.
Mathematics
1 answer:
zhuklara [117]3 years ago
4 0

Answer:

.

Step-by-step explanation:

.

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Set a proportion. They are similar triangles.

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Linda's account has a balance of −$45.50. If she owes the bank more than $30, her account gets closed. Which of the following is
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There's no options but it will get closed

Step-by-step explanation:

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2 years ago
Read 2 more answers
.A variety of stores offer loyalty programs. Participating shoppers swipe a bar-coded tag at the register when checking out and
Leni [432]

Answer:

a) Null hypothesis:\mu \leq 120  

Alternative hypothesis:\mu > 120  

b) t=\frac{130-120}{\frac{40}{\sqrt{80}}}=2.236  

The degrees of freedom are given by:

df = n-1 = 80-1=79

The p value for this case taking in count the alternative hypothesis would be:

p_v =P(t_{79}>2.236)=0.0141  

Step-by-step explanation:

Information given

\bar X=130 represent the sample mean for the amount spent each shopper

s=40 represent the sample standard deviation

n=80 sample size  

\mu_o =120 represent the value to verify

t would represent the statistic    

p_v represent the p value f

Part a

We want to verify if the shoppers participating in the loyalty program spent more on average than typical shoppers, the system of hypothesis would be:  

Null hypothesis:\mu \leq 120  

Alternative hypothesis:\mu > 120  

The statistic for this case would be given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}} (1)  

Replacing the info given we got:

t=\frac{130-120}{\frac{40}{\sqrt{80}}}=2.236  

The degrees of freedom are given by:

df = n-1 = 80-1=79

The p value for this case taking in count the alternative hypothesis would be:

p_v =P(t_{79}>2.236)=0.0141  

5 0
3 years ago
How many 20 degree angles does it take to make a full turn?
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There is 360* in a circle, so you would divide 360 by 20 to get 18. 
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3 years ago
YOULL GET BRAINLIEST
soldier1979 [14.2K]

Answer:

Parent Function: y = x^2

Vertex: (1,3)

Axis of Symmetry: x = 1

Y-Intercept(s): (0,1)

X-Intercept(s): (1−√62,0),(1+√62,0)

Step-by-step explanation:

hope this helps! =)

5 0
2 years ago
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